Bake for 45 minutes until golden brown in a 350°F oven. Let cool for 20 minutes. While cake is cooling make package of pudding then let chill. Cut cake in half and add pudding in the center. Prepare icing (mix 4 Tbsp. of butter, 2 Tbsp. of water and 1-2 cups of icing sugar), then spread over cake and add toasted coconut on top.